Ester derivatives of N-arylthio-N-phosphonomethylglycinonitrile
AssigneeMonsanto Company
InventorsGerard A. Dutra, James A. Sikorski
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Abstract
This disclosure relates to novel ester derivatives of N-arylthio-N-phosphonomethylglycinonitrile which are useful as herbicides. This disclosure further relates to herbicidal compositions containing such N-phosphonomethylglycinonitriles and to herbicidal methods employing such compounds and compositions.
Claims6
A compound of the formula ##STR6## wherein R is phenyl, naphthyl or biphenylyl or phenyl, naphthyl or biphenylyl substituted with from one to three substituents independently selected from the class consisting of lower alkyl, lower alkoxy, lower alkylthio, alkoxycarbonyl, methylenedioxy, trifluoromethyl, cyano, nitro and halogen;
- and R.sub.1 is naphthyl.
A herbicidal composition comprising an inert adjuvant and a herbicidally effective amount of a compound of the formula ##STR7## wherein R is phenyl, naphthyl or biphenylyl or phenyl, naphthyl or biphenylyl substituted with from one to three substituents independently selected from the class consisting of lower alkyl, lower alkoxy, lower alkylthio, alkoxycarbonyl, methylenedioxy, trifluoromethyl, cyano, nitro and halogen;
- and R.sub.1 is naphthyl.
A method of controlling undesired plants which comprises contacting said plants or plant growth medium with a herbicidal amount of a compound of the formula ##STR8## wherein R is phenyl, naphthyl or biphenylyl or phenyl, naphthyl or biphenylyl substituted with from one to three substituents independently selected from the class consisting of lower alkyl, lower alkoxy, lower alkylthio, alkoxycarbonyl, methylenedioxy, trifluoromethyl, cyano, nitro and halogen;
- and R.sub.1 is naphthyl.
Dependencies are inferred from the claim text.